/Engine/Source/Runtime/CoreUObject/Public/UObject/PackageResourceManager.h
If found, removes the registration so no future call to TryTakePreloadableArchive can use the sameFArchive. If the instance is in PreloadHandle mode, the Lower-LevelFArchivewill be detached from theFPreloadableFileand returned using DetachLowerLevel. If the instance is in PreloadBytes mode, a ProxyArchive will be returned that forwards call to theFPreloadableFileinstance.
static bool TryTakePreloadableArchive ( const [FPackagePath](API\Runtime\CoreUObject\Misc\FPackagePath) & PackagePath, [FOpenPackageResult](API\Runtime\CoreUObject\UObject\FOpenPackageResult) & OutResult )